How to freak out that secret organization that’s tracking your every move

My personal version is a little different: When I’m staying somewhere new and unfamiliar, I’ll sometimes give the finger to the mirror in the bathroom.

I’m not normally a bird-flipping kinda guy, but I figure, like the guy in the comic, if there are people watching me behind a one-way mirror, then they deserve the gesture and it might spook them that I “know” they’re there. On the other hand, if it’s an ordinary mirror, no harm done.

I’m assuming that the guy who drew this comic and me aren’t alone in this behavior…